<?xml version="1.0" encoding="UTF-8"?>
<refentry>
  <refmeta>
    <refentrytitle>shorewall-params</refentrytitle>

    <manvolnum>5</manvolnum>
  </refmeta>

  <refnamediv>
    <refname>params</refname>

    <refpurpose>Shorewall parameters file</refpurpose>
  </refnamediv>

  <refsynopsisdiv>
    <cmdsynopsis>
      <command>/etc/shorewall/params</command>
    </cmdsynopsis>
  </refsynopsisdiv>

  <refsect1>
    <title>Description</title>

    <para>Assign any shell variables that you need in this file.</para>

    <para>It is suggested that variable names begin with an upper case letter
    to distinguish them from variables used internally within the Shorewall
    programs</para>

    <para>Example params file:</para>

    <programlisting>NET_IF=eth0
NET_BCAST=130.252.100.255
NET_OPTIONS=routefilter,norfc1918</programlisting>

    <para>Example <ulink
    url="shorewall-interfaces.html">shorewall-interfaces</ulink>(5)
    file.</para>

    <programlisting>ZONE    INTERFACE       BROADCAST       OPTIONS
net     $NET_IF         $NET_BCAST      $NET_OPTIONS</programlisting>

    <para>This is the same as if the interfaces file had contained:</para>

    <programlisting>ZONE    INTERFACE       BROADCAST       OPTIONS
net     eth0            130.252.100.255 routefilter,norfc1918</programlisting>
  </refsect1>

  <refsect1>
    <title>FILES</title>

    <para>/etc/shorewall/params</para>
  </refsect1>

  <refsect1>
    <title>See ALSO</title>

    <para><ulink
    url="http://www.shorewall.net/configuration_file_basics.htm#Variables?">http://www.shorewall.net/configuration_file_basics.htm#Variables</ulink></para>

    <para>shorewall(8), shorewall-accounting(5), shorewall-actions(5),
    shorewall-blacklist(5), shorewall-hosts(5), shorewall-interfaces(5),
    shorewall-ipsec(5), shorewall-maclist(5), shorewall-masq(5),
    shorewall-nat(5), shorewall-netmap(5), shorewall-policy(5),
    shorewall-providers(5), shorewall-proxyarp(5), shorewall-route_rules(5),
    shorewall-routestopped(5), shorewall-rules(5), shorewall.conf(5),
    shorewall-tcclasses(5), shorewall-tcdevices(5), shorewall-tcrules(5),
    shorewall-tos(5), shorewall-tunnels(5), shorewall-zones(5)</para>
  </refsect1>
</refentry>